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Linux.com: Métamorphose Your File Names En Masse

"Métamorphose is the graphical equivalent of the mv
command combined with some of the functions of the chattr command
for multiple files. While Métamorphose seems intended mainly
for use with mass numbers of music files, to judge from the
examples in the online help, anyone who takes file organization
seriously can benefit from its attention to work flow and detailed
options.

"The first thing you'll notice when opening Métamorphose
is how orderly its interface is. It consists of a series of tabs;
when it opens, the first tab on the left is active..."